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Usage of air jigging for multi-component separation of construction and demolition waste

机译：空气夹具用于建筑和拆迁废物的多组分分离

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摘要

The use of air jigging for performing multi-component separation in the treatment of mixed construction and demolition waste was studied. Sorting tests were carried out with mixtures of equal bulk volume of concrete and brick in which fixed quantities of unwanted materials - gypsum, wood and paper - were added. Experimental results have demonstrated the possibility to use air jigging to carry out both the removal of low-density contaminants and the concrete concentration in only one process step. In relation to the removal of contaminants only, the overall performance of jigging process can be comparable with that of commercial air classifiers and automatic sorting systems. Also, the initial content of contaminants seems does not have a significant effect on the separation extent. These results are of particular importance for recycling plants processing as they represent an alternative to optimize the use of air jigs. Further investigation is needed in order to evaluate the practical feasibility of such method.
机译：研究了空气夹具在混合建筑和拆除废物处理中进行多组分分离的应用。使用等体积的混凝土和砖的混合物进行分类测试，其中添加了固定量的不需要的材料（石膏，木材和纸）。实验结果表明，仅需一个步骤，就可以使用空气夹具进行低密度污染物的去除和混凝土的浓缩。仅就去除污染物而言，跳汰过程的整体性能可以与商用空气分级机和自动分拣系统相媲美。同样，污染物的初始含量似乎对分离程度没有显着影响。这些结果对于回收工厂的加工尤为重要，因为它们代表了优化空气夹具使用的一种选择。为了评估这种方法的实际可行性，需要进一步研究。

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  • 来源
    《Waste Management》 |2017年第2期|75-83|共9页
  • 作者

    Weslei Monteiro Ambros; Carlos Hoffmann Sampaio; Bogdan Grigore Cazacliu; Gerson Luis Miltzarek; Leonardo R. Miranda;

  • 作者单位

    Mineral Processing Laboratory, Federal University of Rio Grande do Sul, 9500 Bento Goncalves Avenue, 91501-970 Porto Alegre, Brazil,LUNAM, IFSTTAR, Aggregates and Materials Processing Laboratory, Route de Bouaye - CS4, 44344 Bouguenais Cedex, Nantes, France;

    Mineral Processing Laboratory, Federal University of Rio Grande do Sul, 9500 Bento Goncalves Avenue, 91501-970 Porto Alegre, Brazil;

    LUNAM, IFSTTAR, Aggregates and Materials Processing Laboratory, Route de Bouaye - CS4, 44344 Bouguenais Cedex, Nantes, France;

    Mineral Processing Laboratory, Federal University of Rio Grande do Sul, 9500 Bento Goncalves Avenue, 91501-970 Porto Alegre, Brazil;

    Department of Civil Construction, Federal University of Parana, Francisco Heraclito dos Santos Avenue, 81531-970 Curitiba, Brazil;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Jigging; Air jig; CD waste; Recycling; Separation;

    机译：跳动空气夹具拆建废料;回收;分离;

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